Logging improvements to allow prettier displays in the server GUI.
[dcpomatic.git] / src / tools / dcpomatic_server.cc
index 7ec081cfaf718b6813b859f19839d093609e9309..d876832800153abb4db97fa5580fbffbb664ac50 100644 (file)
 */
 
 #include "wx/wx_util.h"
+#include "wx/wx_signal_manager.h"
 #include "lib/util.h"
+#include "lib/encoded_log_entry.h"
 #include "lib/server.h"
 #include "lib/config.h"
 #include "lib/log.h"
+#include "lib/raw_convert.h"
+#include "lib/signaller.h"
 #include <wx/taskbar.h>
 #include <wx/icon.h>
 #include <boost/thread.hpp>
+#include <boost/foreach.hpp>
+#include <boost/optional.hpp>
+#include <iostream>
 
 using std::cout;
 using std::string;
 using std::exception;
+using std::list;
+using std::fixed;
+using std::setprecision;
 using boost::shared_ptr;
 using boost::thread;
 using boost::bind;
+using boost::optional;
+using boost::dynamic_pointer_cast;
 
 enum {
        ID_status = 1,
@@ -39,84 +51,170 @@ enum {
        ID_timer
 };
 
-class MemoryLog : public Log
+static int const log_lines = 32;
+
+class ServerLog : public Log, public Signaller
 {
 public:
 
        string get () const {
-               boost::mutex::scoped_lock (_mutex);
-               return _log;
+               string a;
+               BOOST_FOREACH (string const & i, _log) {
+                       a += i + "\n";
+               }
+               return a;
        }
 
-       string head_and_tail (int amount = 1024) const {
-               if (int (_log.size ()) < (2 * amount)) {
-                       return _log;
-               }
+       string head_and_tail (int) const {
+               /* Not necessary */
+               return "";
+       }
 
-               return _log.substr (0, amount) + _log.substr (_log.size() - amount - 1, amount);
+       float fps () const {
+               boost::mutex::scoped_lock lm (_state_mutex);
+               return _fps;
        }
 
+       boost::signals2::signal<void(string)> Appended;
+       boost::signals2::signal<void(int)> Removed;
+
 private:
-       void do_log (string m)
+       void do_log (shared_ptr<const LogEntry> entry)
+       {
+               time_t const s = entry->seconds ();
+               struct tm* local = localtime (&s);
+               if (
+                       !_last_time ||
+                       local->tm_yday != _last_time->tm_yday ||
+                       local->tm_year != _last_time->tm_year ||
+                       local->tm_hour != _last_time->tm_hour ||
+                       local->tm_min != _last_time->tm_min
+                       ) {
+                       char buffer[64];
+                       strftime (buffer, 64, "%c", local);
+                       append (buffer);
+               }
+
+               append (entry->message ());
+               if (_log.size() > log_lines) {
+                       emit (boost::bind (boost::ref (Removed), _log.front().length()));
+                       _log.pop_front ();
+               }
+               _last_time = *local;
+
+               shared_ptr<const EncodedLogEntry> encoded = dynamic_pointer_cast<const EncodedLogEntry> (entry);
+               if (encoded) {
+                       _history.push_back (encoded->seconds ());
+                       if (_history.size() > 48) {
+                               _history.pop_front ();
+                       }
+                       if (_history.size() > 2) {
+                               boost::mutex::scoped_lock lm (_state_mutex);
+                               _fps = _history.size() / (_history.back() - _history.front());
+                       }
+               }
+       }
+
+       void append (string s)
        {
-               _log = m;
+               _log.push_back (s);
+               emit (boost::bind (boost::ref (Appended), s));
        }
 
-       string _log;
+       list<string> _log;
+       optional<struct tm> _last_time;
+       std::list<double> _history;
+
+       mutable boost::mutex _state_mutex;
+       float _fps;
 };
 
-static shared_ptr<MemoryLog> memory_log (new MemoryLog);
+static shared_ptr<ServerLog> server_log (new ServerLog);
 
 class StatusDialog : public wxDialog
 {
 public:
        StatusDialog ()
-               : wxDialog (0, wxID_ANY, _("DCP-o-matic encode server"), wxDefaultPosition, wxSize (600, 80), wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
-               , _timer (this, ID_timer)
+               : wxDialog (
+                       0, wxID_ANY, _("DCP-o-matic encode server"),
+                       wxDefaultPosition, wxDefaultSize,
+                       wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER
+                       )
        {
-               _sizer = new wxFlexGridSizer (1, 6, 6);
-               _sizer->AddGrowableCol (0, 1);
+               wxFlexGridSizer* state_sizer = new wxFlexGridSizer (2, DCPOMATIC_SIZER_GAP, DCPOMATIC_SIZER_GAP);
+
+               add_label_to_sizer (state_sizer, this, _("Frames per second"), true);
+               _fps = new wxStaticText (this, wxID_ANY, wxT(""));
+               state_sizer->Add (_fps);
 
-               _text = new wxTextCtrl (this, wxID_ANY, _(""), wxDefaultPosition, wxDefaultSize, wxTE_READONLY);
-               _sizer->Add (_text, 1, wxEXPAND);
+               wxFlexGridSizer* log_sizer = new wxFlexGridSizer (1, DCPOMATIC_SIZER_GAP, DCPOMATIC_SIZER_GAP);
+               log_sizer->AddGrowableCol (0, 1);
 
-               SetSizer (_sizer);
-               _sizer->Layout ();
+               wxClientDC dc (this);
+               wxSize size = dc.GetTextExtent (wxT ("This is the length of the file label it should be quite long"));
+               int const height = (size.GetHeight() + 2) * log_lines;
+               SetSize (700, height + DCPOMATIC_SIZER_GAP * 2);
 
-               Bind (wxEVT_TIMER, boost::bind (&StatusDialog::update, this), ID_timer);
-               _timer.Start (1000);
+               _text = new wxTextCtrl (
+                       this, wxID_ANY, std_to_wx (server_log->get()), wxDefaultPosition, wxSize (-1, height),
+                       wxTE_READONLY | wxTE_MULTILINE
+                       );
+
+               log_sizer->Add (_text, 1, wxEXPAND);
+
+               wxBoxSizer* overall_sizer = new wxBoxSizer (wxVERTICAL);
+               overall_sizer->Add (state_sizer, 0, wxALL, DCPOMATIC_SIZER_GAP);
+               overall_sizer->Add (log_sizer, 1, wxEXPAND | wxALL, DCPOMATIC_SIZER_GAP);
+               SetSizer (overall_sizer);
+               overall_sizer->Layout ();
+
+               Bind (wxEVT_TIMER, boost::bind (&StatusDialog::update_state, this));
+               _timer.reset (new wxTimer (this));
+               _timer->Start (1000);
+
+               server_log->Appended.connect (bind (&StatusDialog::appended, this, _1));
+               server_log->Removed.connect (bind (&StatusDialog::removed, this, _1));
        }
 
 private:
-       void update ()
+       void appended (string s)
+       {
+               (*_text) << s << "\n";
+       }
+
+       void removed (int n)
        {
-               _text->ChangeValue (std_to_wx (memory_log->get ()));
-               _sizer->Layout ();
+               _text->Remove (0, n + 1);
+       }
+
+       void update_state ()
+       {
+               SafeStringStream s;
+               s << fixed << setprecision(1) << server_log->fps ();
+               _fps->SetLabel (std_to_wx (s.str()));
        }
 
-       wxFlexGridSizer* _sizer;
        wxTextCtrl* _text;
-       wxTimer _timer;
+       wxStaticText* _fps;
+       boost::shared_ptr<wxTimer> _timer;
 };
 
 class TaskBarIcon : public wxTaskBarIcon
 {
 public:
        TaskBarIcon ()
+               : _status (0)
        {
-#ifdef __WXMSW__
+#ifdef DCPOMATIC_WINDOWS
                wxIcon icon (std_to_wx ("taskbar_icon"));
-#endif
-#ifdef __WXGTK__
+#else
                wxInitAllImageHandlers();
-               wxBitmap bitmap (wxString::Format (wxT ("%s/taskbar_icon.png"), LINUX_SHARE_PREFIX), wxBITMAP_TYPE_PNG);
+               wxBitmap bitmap (wxString::Format (wxT ("%s/dcpomatic2_server_small.png"), LINUX_SHARE_PREFIX), wxBITMAP_TYPE_PNG);
                wxIcon icon;
                icon.CopyFromBitmap (bitmap);
 #endif
-#ifndef __WXOSX__
-               /* XXX: fix this for OS X */
+
                SetIcon (icon, std_to_wx ("DCP-o-matic encode server"));
-#endif
 
                Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&TaskBarIcon::status, this), ID_status);
                Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&TaskBarIcon::quit, this), ID_quit);
@@ -133,14 +231,18 @@ public:
 private:
        void status ()
        {
-               StatusDialog* d = new StatusDialog;
-               d->Show ();
+               if (!_status) {
+                       _status = new StatusDialog ();
+               }
+               _status->Show ();
        }
 
        void quit ()
        {
                wxTheApp->ExitMainLoop ();
        }
+
+       StatusDialog* _status;
 };
 
 class App : public wxApp, public ExceptionStore
@@ -161,7 +263,12 @@ private:
                }
 
                dcpomatic_setup_path_encoding ();
+               dcpomatic_setup_i18n ();
                dcpomatic_setup ();
+               Config::drop ();
+
+               signal_manager = new wxSignalManager (this);
+               Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 
                _icon = new TaskBarIcon;
                _thread = new thread (bind (&App::main_thread, this));
@@ -181,7 +288,7 @@ private:
 
        void main_thread ()
        try {
-               Server server (memory_log, false);
+               Server server (server_log, false);
                server.run (Config::instance()->num_local_encoding_threads ());
        } catch (...) {
                store_current ();
@@ -200,6 +307,11 @@ private:
                }
        }
 
+       void idle ()
+       {
+               signal_manager->ui_idle ();
+       }
+
        boost::thread* _thread;
        TaskBarIcon* _icon;
        shared_ptr<wxTimer> _timer;